3pcs DIY NE555 Electronic Component Parts Kit Electric Piano Organ Module Kit
It is simple and practical, and the power consumption is small, and the circuit is driven by an integrated circuit. The parts are few, and the line is simple and clear.
In the process of debugging, the understanding of the principle of the circuit will be deepened.
Power supply voltage: DC3-12V
PCB size: 13.5 x 2.2cm
3 x DIY NE555 Electronic Component Parts Kit